Jana Is an Easy Baby Who Smiles and Vocalizes Frequently,which

Multiple Choice

Jana is an easy baby who smiles and vocalizes frequently,which encourages her parents to smile and talk to her more.This,in turn,causes Jana to smile and interact with her parents more.This illustrates

A) reciprocal influences.
B) genetic predispositions.
C) a parental behavior that would occur even if Jana had a difficult temperament.
D) all of these.